/*
 * Copyright 2003-2017 Dave Griffith, Bas Leijdekkers
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.siyeh.ig.numeric;

import com.intellij.psi.PsiLiteralExpression;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import com.siyeh.ig.InspectionGadgetsFix;
import com.siyeh.ig.psiutils.ExpressionUtils;
import org.intellij.lang.annotations.Pattern;
import org.jetbrains.annotations.NotNull;

public class OctalLiteralInspection extends BaseInspection {
  @Pattern(VALID_ID_PATTERN)
  @Override
  @NotNull
  public String getID() {
    return "OctalInteger";
  }

  @Override
  @NotNull
  protected String buildErrorString(Object... infos) {
    return InspectionGadgetsBundle.message("octal.literal.problem.descriptor");
  }

  @Override
  public boolean isEnabledByDefault() {
    return true;
  }

  @Override
  protected InspectionGadgetsFix @NotNull [] buildFixes(Object... infos) {
    return new InspectionGadgetsFix[]{
      new ConvertOctalLiteralToDecimalFix(),
      new RemoveLeadingZeroFix()
    };
  }

  @Override
  public BaseInspectionVisitor buildVisitor() {
    return new OctalLiteralVisitor();
  }

  private static class OctalLiteralVisitor extends BaseInspectionVisitor {

    @Override
    public void visitLiteralExpression(@NotNull PsiLiteralExpression literal) {
      super.visitLiteralExpression(literal);
      if (!ExpressionUtils.isOctalLiteral(literal)) {
        return;
      }
      registerError(literal);
    }
  }
}